Capping systems Matrix™ SepraSeal / Nunc Thermo

The Matrix™ SepraSeal sealing mats are suitable for securely sealing sample tubes with or without 2D code. For sample access, the caps can be removed with the practical cap removal tool (please order separately) or pierced once. The pre-slit versions are suitable for multiple piercing. The self-sealing function of the pre-slitted elastomer maintains sample integrity.

-For storage down to -20 °C
-Individual closure or closure of 96 sample tubes simultaneously possible
-Good chemical resistance
-Low evaporation rate


With the Matrix™ DuraSeal sealing mat, sample tubes are permanently sealed. The sealing mat is pre-slit for sample access and has a v-shaped design. The special elastomer ensures that the integrity of the sample is maintained. Suitable for sample storage down to -80 °C.